The air conditioning filter of BMW 3 Series is located in the passenger glove compartment. If you need to replace the air conditioning filter, you need to first open the passenger glove box, find the area where the air conditioning filter is located, and then follow the following steps to replace it:
1. Find the area where the air conditioning filter is located and use a suitable tool (such as a 10mm socket) to unscrew the cover plate fixing screws and remove the cover plate.
2. Pull out the power cord (if any).
3. Use a suitable screwdriver (such as T20 screwdriver) to unscrew the fixing screws on the air conditioning cover and remove it.
4. Remove the old air conditioning filter and install a new one. Pay attention to ensuring that the direction and position of the new filter element are correct.
5. Install the air conditioning filter cover back in place and tighten the fixing screws.
Not replacing the air conditioning filter for a long time can pose a health hazard to passengers in the car. Therefore, it is recommended that drivers regularly replace the air conditioning filter to maintain fresh and healthy air inside the car.
The above information is for reference only, and the specific replacement steps may vary depending on the vehicle model and configuration. If necessary, it is recommended to refer to the vehicle's user manual or consult professional car maintenance personnel.